American Journal of Obstetrics and Gynecology
American Journal of Obstetrics and Gynecology > 2006 > 194 > 6 > 1576-1582
American Journal of Obstetrics and Gynecology > 2006 > 194 > 6 > 1537-1545
American Journal of Obstetrics and Gynecology > 2006 > 194 > 6 > 1524-1531
American Journal of Obstetrics and Gynecology > 2006 > 194 > 6 > 1604-1608
American Journal of Obstetrics and Gynecology > 2006 > 194 > 6 > 1717-1726
American Journal of Obstetrics and Gynecology > 2006 > 194 > 6 > 1625-1629
American Journal of Obstetrics and Gynecology > 2006 > 194 > 6 > 1644-1651
American Journal of Obstetrics and Gynecology > 2006 > 194 > 6 > 1696-1700